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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the bridge interacts with?
Which answer below is best described as the RS-485 standard for voltage range to receive a "Space"?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
Which of the answers below best represents the first bit sent in a RS-232 asynchronous frame?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would be an uniquely SCADA communication protocol?
Which of the lengths below relates best to a spur cable with 4 field devices connected?
Voltage to voltage converters are best defined as which of the answers below?
Which answer below best represents the number of trunk connections in a standard H1 transmission system junction box with 6 connections available?
Which of the wire types below is best described as "requiring a tinned copper drain wire"?
There are two types of Ethernet connector cables. Which type of connector cable is pictured below?
Which of the answers below best represents the required nominal impedance of the data pair cabling in the DeviceNet system?
Which of the recommended standards would be best described as having a half -duplex transmission system?
There are many options to choose from for alarm states. Which of the following alarm states can be best described as when the normal specifications of the process are not being broken?
The biggest register that Modbus supports is 16-bit. Which of the terms below is used for the process to support 32-bit data?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that can have 8, 16, or 32 inputs powered by 24Vdc, or 120Vac??
Ethernet/IP is based on a protocol that the higher OSI layers of DeviceNet uses. Which of the answers below is the correct acronym for this protocol?
The industrial network topologies you are required to use is defined by the OSI network model. Which of the common topologies below is likely described as a network that has a single common channel that connects to all the nodes in the network individually?
Of the problems below, which would be best solved by shielding on cables?
SCADA control systems are similar to other control system, but the components for a SCADA system vary slightly. Which of the components below would be designed to reduce intermittent communication?
Which of the answers below best represents the most common way to indicate the range of frequencies that can be used for a transmission system with little or no attenuation?
In the transmission control protocol validates that the destination has received the information packet sent. Which of the header components below is responsible for this verification?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage levels to represent logic states?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "A"?
Multi-path interference is a ________ source of radio wave deterioration. Choose from the answers below to best fill in the blank
In the unbalanced signal transmission system, which answer best represents the number 1?